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Finding the Fourth Proportional to 453,075.72, 625,260.56 and 249,142.20

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Solution

The fourth proportional to 453,075.72, 625,260.56 and 249,142.20 is: 343,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,075.72 : 625,260.56 = 249,142.20 : x
  2. Step 2: Convert to fraction form
    453,075.72/625,260.56 = 249,142.20/x
  3. Step 3: Cross multiply
    453,075.72x = 625,260.56 × 249,142.20
  4. Step 4: Simplify right side
    453,075.72x = 155,778,791,491.63
  5. Step 5: Solve for x
    x = 155,778,791,491.63/453,075.72
  6. Step 6: Final answer
    x = 343,825.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.